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fmod: Fallback to opening file via callbacks if direct doesn't work

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Fixes #1002
This commit is contained in:
rdb 2020-09-01 10:41:34 +02:00
parent ab6bf5f4f7
commit 1cc82f47b6
1 changed files with 54 additions and 42 deletions
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28
panda/src/audiotraits/fmodAudioSound.cxx
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@ -123,8 +123,13 @@ FmodAudioSound(AudioManager *manager, VirtualFile *file, bool positional) {
<< "Reading " << _file_name << " into memory (" << sound_info.length
<< " bytes)\n";
}
result =
_manager->_system->createSound(name_or_data, flags, &sound_info, &_sound);
}
else {
result = FMOD_ERR_FILE_BAD;
} else if (file->get_system_info(info)) {
if (file->get_system_info(info)) {
// The file exists on disk (or it's part of a multifile that exists on
// disk), so we can have FMod read the file directly. This is also
// safe, because FMod uses its own IO operations that don't involve
@ -140,11 +145,18 @@ FmodAudioSound(AudioManager *manager, VirtualFile *file, bool positional) {
<< ", " << sound_info.fileoffset << ", " << sound_info.length << ")\n";
}
} else {
#if defined(HAVE_THREADS) && !defined(SIMPLE_THREADS)
result =
_manager->_system->createSound(name_or_data, flags, &sound_info, &_sound);
}
// If FMOD can't directly read the file (eg. if Panda is locking it for
// write, or it's compressed) we have to use the callback interface.
if (result == FMOD_ERR_FILE_BAD) {
#if defined(HAVE_THREADS) && !defined(SIMPLE_THREADS)
// Otherwise, if the Panda threading system is compiled in, we can
// assign callbacks to read the file through the VFS.
name_or_data = (const char *)file;
sound_info.fileoffset = 0;
sound_info.length = (unsigned int)info.get_size();
sound_info.useropen = open_callback;
sound_info.userclose = close_callback;
@ -155,18 +167,18 @@ FmodAudioSound(AudioManager *manager, VirtualFile *file, bool positional) {
fmodAudio_cat.debug()
<< "Streaming " << _file_name << " from disk using callbacks\n";
}
result =
_manager->_system->createSound(name_or_data, flags, &sound_info, &_sound);
#else // HAVE_THREADS && !SIMPLE_THREADS
#else // HAVE_THREADS && !SIMPLE_THREADS
// Without threads, we can't safely read this file.
name_or_data = "";
fmodAudio_cat.warning()
<< "Cannot stream " << _file_name << "; file is not literally on disk.\n";
#endif
#endif
}
}
result =
_manager->_system->createSound(name_or_data, flags, &sound_info, &_sound);
}
if (result != FMOD_OK) {